Need sideboard help and possible main board modifications

[Izzet-saurus]

so I've made this,
https://deckstats.net/decks/97257/1309595-bant-narset-tamiyo-lock

it's a deck trying to go infinite with planewalker proliferation via either Flux Channeler or Evolution Sage. from their use Narset Teferi and Tamiyo Emblems to lock out the game. control package is there to slow thing down. a possible final win con other than opponent can't do anything might also be called for i don't know modern well enough to figure out the exact configuration but i don't want to spend over a grand on some jank